Weight loss dieting in humans has been shown to ____.
A) increase absolute numbers of Firmicutes bacteria
B) decrease absolute numbers of Firmicutes bacteria
C) increase the abundance of Firmicutes bacteria relative to Bacteroidetes bacteria
D) decrease the relative abundance of Firmicutes bacteria relative to Bacteroidetes bacteria
E) not affect bacterial populations in human intestines
Correct Answer:
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Q36: The digestion of proteins in humans begins
Q37: Most peptic ulcers are caused by _.
A)
Q38: Human saliva contains _ enzymes.
A) aminopeptidase
B) amylase
C)
Q39: The_layer of the digestive tract in mammals
Q40: Place the layers of a mammalian gut
Q42: When fat enters the duodenum, it stimulates
Q43: The majority of digestion in the human
Q44: The _secretes bile.
A) liver
B) gallbladder
C) pancreas
D) small
Q45: The _ produces gastrin that activates secretion
Q46: The _ in the human body regulates
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